Re: No hash join across partitioned tables?

From: Kris Jurka <books(at)ejurka(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: No hash join across partitioned tables?
Date: 2009-04-17 15:07:21
Message-ID: 49E89B29.10705@ejurka.com
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Tom Lane wrote:

> Is there another issue here besides that one? I think you were hoping
> that the hash join would be faster than the alternatives, but the cost
> estimate says it's a lot slower. Is that actually the case?
>

The hash join takes less than twenty seconds, the other two joins I
killed after five minutes. I can try to collect explain analyze results
later today if you'd like.

Kris Jurka

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